[MacPorts] #68480: gcc13 upgrade failure with xcode upgrade to 15 on macOS 13.5.2

[MacPorts]

#68480: gcc13 upgrade failure with xcode upgrade to 15 on macOS 13.5.2
----------------------+------------------------
  Reporter:  mu578    |      Owner:  (none)
      Type:  defect   |     Status:  new
  Priority:  Not set  |  Milestone:
 Component:  ports    |    Version:  2.8.1
Resolution:           |   Keywords:  ld_classic
      Port:  gcc13    |
----------------------+------------------------

Comment (by kencu):

 You didn't include your main.log, but the most likely explanation for your
 build error is that you updated Xcode to 15, but have not as yet updated
 the Command Line tools to the matching version.

-- 
Ticket URL: <https://trac.macports.org/ticket/68480#comment:3>
MacPorts <https://www.macports.org/>
Ports system for macOS